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Individual Calculations May 2019 |
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| Rathbone-Jones, Ifan Total change: 6.80 | |   |
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| 2018/19 4NCL Div 4 Rounds 7 - 8 | Daventry | ENG | 2019-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1854 | 1.00 | 2 | 0.13 | 40 | 5.20 | |
|  Spencer, Douglas | | | 1968 | WLS | 0.00 | 1 | -0.34 | 40 | -13.60 | |  Goodwin, Ed H | | | 1830 | ENG | 1.00 | 1 | 0.47 | 40 | 18.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2019 Welsh Championships | Cardiff | WLS | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1854 | 2.50 | 7 | 0.04 | 40 | 1.60 | |
| | Young, Alan | | | 2021 | WLS | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Pleasants, Allan J | | | 2075 | WLS | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Brown, Thomas | | | 2079 | WLS | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Guha, Chirag | | | 1941 | WLS | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Jones, Derek | | | 1925 | WLS | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Jukes, Sam | | | 1892 | WLS | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Turner, Joseph David | | | 1846 | WLS | 0.50 | 1 | -0.01 | 40 | -0.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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